Closure cap



FIG. 1 is a top perspective view of a closure cap showing my new design, the view showing the top and one side thereof;

FIG. 2 is a top plan view thereof;

FIG. 3 is a side elevational view showing the side opposite that seen in FIG. 1; and

FIG. 4 is a bottom plan view thereof. 

The ornamental design for a closure cap, substantially as shown. 